New User

Hi there. New user to ZoHo, looking for the easiest route to creating user reports to monitor remote worker activity. I have searched the forum and the only anser I can find is to utilize setup>data adminstration>audit log. When folloing this route, I have no "audit log" facility on the drop down. I am logged in as administrator and have super-admin facilities. Any advice, help or tips would gratefull received.